From owner-freebsd-arch Fri Jan 11 12:25:38 2002 Delivered-To: freebsd-arch@freebsd.org Received: from ns.yogotech.com (ns.yogotech.com [206.127.123.66]) by hub.freebsd.org (Postfix) with ESMTP id C28D437B41A for ; Fri, 11 Jan 2002 12:25:30 -0800 (PST) Received: from caddis.yogotech.com (caddis.yogotech.com [206.127.123.130]) by ns.yogotech.com (8.9.3/8.9.3) with ESMTP id NAA29166; Fri, 11 Jan 2002 13:25:15 -0700 (MST) (envelope-from nate@yogotech.com) Received: (from nate@localhost) by caddis.yogotech.com (8.11.6/8.11.6) id g0BKPEF12096; Fri, 11 Jan 2002 13:25:14 -0700 (MST) (envelope-from nate) From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15423.18986.412590.932780@caddis.yogotech.com> Date: Fri, 11 Jan 2002 13:25:14 -0700 To: Alfred Perlstein Cc: Nate Williams , Terry Lambert , Bruce Evans , Daniel Eischen , Dan Eischen , Peter Wemm , Archie Cobbs , arch@FreeBSD.ORG Subject: Re: Request for review: getcontext, setcontext, etc In-Reply-To: <20020111122109.J7984@elvis.mu.org> References: <20020112054041.J3330-100000@gamplex.bde.org> <3C3F455B.86856045@mindspring.com> <15423.17965.472722.218250@caddis.yogotech.com> <20020111122109.J7984@elvis.mu.org> X-Mailer: VM 6.96 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid Reply-To: nate@yogotech.com (Nate Williams) Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > > If you think about it a little, since you can't guarantee delivery > > > of signals to particular threads anyway, it makes sense that SIGFPE > > > would not be useful under any circumstances in threaded programs, > > > no matter how you sliced it. > > > > What Bruce is saying is that it's not possible to deliver the signal *AT > > ALL*, let alone in threaded programs. However, he contradicts his own > > statements in later parts of the same email, hence the confusion. > > Shouldn't you be able to catch divide by zero? Or am I missing > something here? I don't know what Bruce is saying anymore. I do know that a DIVBYZERO exception is no longer generated (by default). Whether or not it can be correctly generated/caught is another story. Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message